X-Bionic's Black And Grey The Trick® Bib Performance Shorts Are Designed To Keep You Cool, During Even The Most Intense Bike Rides. They're Crafted From The Label's Own, Innovative Stretch Fabric And Designed Withthorny Devil™ Technology That Guides Moisture To Where It Can Evaporate For The Most Cooling Effect. Partialkompression® Panels Support The Leg Muscles, While The Endurance4000 Fx Bike Pad Ensures A Comfortable Fit. This Form-Fitting Style Simply Slips On.